package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;
/**
 * 修改用户信息，根据用户输入的用户名修改该用户的密码和昵称
 * 使用预编译SQL语句完成
 */
public class JDBCDemo11 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("修改用户信息");
        System.out.println("请输入用户名:");
        String username = sc.nextLine();

        System.out.println("请输入新的密码:");
        String password = sc.nextLine();
        System.out.println("请输入新的昵称:");
        String nickname = sc.nextLine();

        try(Connection connection = DBUtil.getConnection();) {
            String sql = "UPDATE userinfo " +
                     "SET password=?,nickname=? " +
                     "WHERE username=?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,password);
            ps.setString(2,nickname);
            ps.setString(3,username);
            ps.executeUpdate() ;


        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
